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- \clearpage
- \pagestyle{empty}
- Zeichenhilfe:\\
- \begin{tikzpicture}[thin,scale=1]
- \draw[step=0.5cm,ultra thin,black!50!](-8,-8)grid(8,8);
- \draw[thick](0,-8)--(0,8)(-8,0)--(8,0);
- \fill[blue](0,0)circle(0.075cm);
- \foreach \r in {.25,.75,...,7.75}
- \draw[orange](0,0)circle(\r cm);
- \foreach \r in {.5,1.5,...,7.5}
- \draw[blue](0,0)circle(\r cm);
- \foreach \r in {1,3,...,7}
- \draw[red](0,0)circle(\r cm);
- \foreach \r in {2,4,...,8}
- \draw[red!50!blue](0,0)circle(\r cm);
- \foreach \w in {0,10,...,350}
- \draw[orange](\w:1)--(\w:8);
- \end{tikzpicture}
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